YesWelder FLUX-135PRO
#1 in 120 VFull review
A cheap, light flux core welder for beginners doing repairs on a 120 V outlet. It adds stick and lift TIG for little money, but it cannot run gas MIG.
Amazon $109.99$109.99
The YesWelder FLUX-135PRO is the better MIG welder overall, rated 4.0 to 3.2. The YesWelder FLUX-135PRO leads on value and weight. The Lincoln Power MIG 140 MP wins on processes and warranty. The YesWelder FLUX-135PRO costs $1,069 less ($109.99 vs $1,178.99).
Lincoln Power MIG 140 MP
#5 in 120 VFull review
A versatile 120 V shop welder for hobbyists and auto body work who want stick and TIG on the same box. Pick a dual voltage machine if you have 240 V and weld thicker steel.
Amazon $1,178.99$1,178.99
Prices were last checked November 1, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the YesWelder FLUX-135PRO for value ($0.81 per amp ($109.99, 135 A maximum) vs $8.42 per amp ($1,178.99, 140 A maximum)) and weight (11 lb vs 34.5 lb).
- Choose the Lincoln Power MIG 140 MP for processes (MIG, flux-core, stick, lift TIG, takes a spool gun for aluminum vs Flux-core, stick, lift TIG) and warranty (3-year warranty on the machine vs 2-year warranty on the machine).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 120 V MIG welder; a clear win is highlighted. How we rank explains each one.
| Factor weight | YesWelder FLUX-135PRO | Lincoln Power MIG 140 MP |
|---|---|---|
| Overall rating | 4.0/5 | 3.2/5 |
| Value 30% | 100 $0.81 per amp ($109.99, 135 A maximum) | 0 $8.42 per amp ($1,178.99, 140 A maximum) |
| Duty cycle 20% | 100 60% at full output (135 A) | 71 60% at 95 A, about 28% at full output |
| Processes 15% | 40 Flux-core, stick, lift TIG | 100 MIG, flux-core, stick, lift TIG, takes a spool gun for aluminum |
| Weight 10% | 100 11 lb | 57 34.5 lb |
| Warranty 25% | 25 2-year warranty on the machine | 50 3-year warranty on the machine |
Specifications
| YesWelder FLUX-135PRO | Lincoln Power MIG 140 MP | |
|---|---|---|
| Output | ||
| Input voltage | 120 V | 120 V |
| Maximum output | 135 A | 140 A |
| Rated duty cycle | 60% at 135 A | 60% at 95 A |
| Thickest steel, one pass | 0.188 in | - |
| Processes and wire | ||
| Gas MIG | No | Yes |
| Stick | Yes | Yes |
| TIG | Lift TIG | Lift TIG |
| Spool gun ready | No | Yes |
| Wire sizes | 0.03 to 0.035 in | 0.025 to 0.045 in |
| Synergic settings | Yes | No |
| Build | ||
| Weight | 11 lb | 34.5 lb |
| Warranty | 2 years | 3 years |
| Released | - | 2019-09 |